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Siemens Building Technologies
Basic Documentation RVP540 / RVP550
CE1P2488en
HVAC Products
Contents
18.10.2002
5.10.1
Impact on 2-position loads .....................................................................286
5.10.2
Impact on modulating loads ...................................................................287
5.10.3
Temperature-time integral......................................................................287
5.11
Control of the boiler pump......................................................................288
Minimum limitation of the return temperature........................................................289
5.12
Minimum limitation of the boiler return temperature EXP ......................289
5.13
Maintained boiler return temperature with impact on the consumers ....289
5.14
Switching differential of the bypass pump (SDBP) ................................290
5.15
Control of the bypass pump ...................................................................291
5.15.1
Parallel with the burner
Setting 0
...........................................................291
5.15.2
According to the boiler return temperature
Setting 1
............................292
5.16
P-band minimum limitation of the return temperature oil / gas (Xp) ......293
5.17
Integral action time minimum limitation of the return temperature oil / gas
(Tn) 293
5.18
Actuator running time minimum limitation of the return temperature oil /
gas 294
Solar collectors ......................................................................................................294
5.19
Maximum limitation of the collector temperature ...................................294
5.20
Hysteresis for maximum limitation of the collector temperature ............295
5.21
Collector frost protection temperature....................................................295
5.22
Maximum storage tank charging time ....................................................296
5.23
Maximum waiting time............................................................................297
5.24
Changeover / startup delay bypass valve / charging pump K9..............297
Protection for the collector pump...........................................................................298
5.25
Evaporation temperature of heat conducting medium ...........................298
5.26
Switching differential to evaporation temperature of heat conducting
medium 298
Wood-fired boilers .................................................................................................299
5.27
Protective startup of wood-fired boilers..................................................299
5.28
Minimum limitation of the return temperature of the wood-fired boiler...299
5.29
P-band minimum limitation of the return temperature of the wood-fired
boiler (Xp) ..............................................................................................................300
5.30
Integral action time minimum limitation of the return temperature of the
wood-fired boiler (Tn) ............................................................................................300
5.31
Actuator running time minimum limitation of the return temperature of the
wood-fired boiler ....................................................................................................301
Heat pump .............................................................................................................301
5.32
Maximum switch-off temperature...........................................................301
5.33
Minimum switch-on temperature............................................................301
5.34
Prerun time of heat pump circulator and water / brine pump.................302
5.35
Overrun time of heat pump circulator and water / brine pump...............302
5.36
Minimum compressor on time ................................................................302
5.37
Minimum compressor off time ................................................................303
5.38
Automatic switch-on attempt after heat pump fault 135 and 137...........303
